Mirrored from http://preview.moveable.com/jm/jameslab/Wipe/
Overview
Wipes is an add-on method for the Effect namespace in the Script.aculo.us library.
include wipe.js
on your page after prototype.js and scriptaculous.js.
<script src="prototype.js" type="text/javascript" charset="utf-8"></script>
<script src="scriptaculous.js" type="text/javascript" charset="utf-8"></script>
<script src="wipe.js" type="text/javascript" charset="utf-8"></script>
Example
<div id="content"><img src="Wipe1.jpg" /></div>
new Effect.Wipe('content',{'newImg':'Wipe3.jpg',duration:2,mode:'vSplit'})